package com.swh.utils;

import java.util.HashMap;

/**
 * @Author: swh
 * @Description:
 * @Date: 2020/11/23 15:10
 * @Version: 1.0
 */
public class XBHashMap extends HashMap {
    @Override
    public Object get(Object key) {
        Object obj = super.get(key);
        return obj == null ? "" : obj;
    }
}
